#define _CRT_SECURE_NO_WARNINGS 1
#include<iostream>
#include<cstdio>

using namespace std;

int main()
{
    int totals;
    double wegiht, end;
    cin >> totals >> wegiht;
    end = totals / wegiht;
    printf("%.3lf ", end);
    cout << "km/l" << endl;
    return 0;
}